All Investigations » Investigation PE20016

  Defect Investigation of Ev Battery Fire

Investigation of Ev Battery Fire

Subject: Ev battery fire
Components covered:
  • Electrical system:propulsion system
  • Electrical system:propulsion system:traction battery
Investigations Summary: The office of defects investigation (odi) of the national highway traffic safety administration (NHTSA) has received two vehicle owner questionnaires (voqs) regarding a model year (my) 2018 and a my 2019 Chevrolet bolt ev and alleging that the vehicles caught fire under the rear seat while parked and unattended. Odi conducted additional research, and found a my 2017 bolt ev with a similar burn pattern in the interior rear seat area. In the three cases identified, fire damage appeared to be concentrated in the ev battery compartment area with penetration into the passenger compartment from under the rear seat. The root cause of these fires is unknown. One of these incidents, odi 11230072, reported smoke inhalation injuries. Odi is opening a preliminary evaluation to assess the scope, frequency, circumstances, and safety consequences of the alleged fires. The reports cited above can be reviewed at NHTSA. Gov under the following reference numbers: 11230072, 11339878.
Vehicles Affected by this investigation:
  • 2017 Chevrolet Bolt Ev
  • 2018 Chevrolet Bolt Ev
  • 2019 Chevrolet Bolt Ev
  • 2020 Chevrolet Bolt Ev

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